The document is intended as a reference for students during the economics course but not for use during examinations. IBDP Economics Formula Sheet 2026 | SL + HL Indicators
Practice using the digital booklet in class, but the week before the exam, switch to the physical booklet. Tab it with sticky notes (if allowed) so you can flip to Costs or Macro instantly.
%ΔQdA%ΔPBthe fraction with numerator % cap delta cap Q sub d cap A end-sub and denominator % cap delta cap P sub cap B end-fraction :
The booklet gives PED as negative (since price and quantity move inversely). Yet every year, students drop the negative sign when calculating revenue changes. Tip: Keep the negative; then interpret the absolute value.
These formulas are essential for analyzing how buyers and sellers respond to changes in market conditions. : Linear Demand Function : is the intercept and is the slope). Linear Supply Function : Price Elasticity of Demand (PED) :
the fraction with numerator cap A and denominator cap A plus cap B end-fraction (derived from the Lorenz Curve) ✅ Complete Content Summary The IB Economics HL quantitative curriculum covers Microeconomics (linear functions, elasticities, and firm theory), Macroeconomics